Roller Coaster Game Site Plans

http://puzzling.caret.cam.ac.uk/game.php?game=roller

http://www.learner.org/interactives/parkphysics/

http://sideshow.questacon.edu.au/notes.html#maketracks or  http://sideshow.questacon.edu.au/maketracks.html

FACT SHEET by Education World

http://www.educationworld.com/a_lesson/TM/WS_vacation_coaster_facts.shtml

ROLLERCOASTER DATABASE

http://www.rcdb.com/

Companies:

http://www.intaminworldwide.com/

http://www.gerstlauer-rides.de/

http://www.bolliger-mabillard.com/index_en.aspx